Base | Representation |
---|---|
bin | 11000000110011100… |
… | …110000100011110110 |
3 | 2110210111000220121220 |
4 | 120012130300203312 |
5 | 410444232143011 |
6 | 15515503251210 |
7 | 1604165264436 |
oct | 300634604366 |
9 | 73714026556 |
10 | 25878006006 |
11 | aa7a506a26 |
12 | 50225a9b06 |
13 | 25953cbcb8 |
14 | 1376c1a2c6 |
15 | a16d07506 |
hex | 6067308f6 |
25878006006 has 8 divisors (see below), whose sum is σ = 51756012024. Its totient is φ = 8626002000.
The previous prime is 25878005983. The next prime is 25878006013. The reversal of 25878006006 is 60060087852.
It is a sphenic number, since it is the product of 3 distinct primes.
25878006006 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2156500495 + ... + 2156500506.
It is an arithmetic number, because the mean of its divisors is an integer number (6469501503).
Almost surely, 225878006006 is an apocalyptic number.
25878006006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
25878006006 is a wasteful number, since it uses less digits than its factorization.
25878006006 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4313001006.
The product of its (nonzero) digits is 161280, while the sum is 42.
The spelling of 25878006006 in words is "twenty-five billion, eight hundred seventy-eight million, six thousand, six".
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